Suzuki DF140BG 2020 Owner's Manual

Suzuki DF140BG 2020 Outboard Engine manual cover

Pages 106

Year 2020

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Suzuki DF140BG 2020 Outboard Engine Specification

The Suzuki DF140BG 2020 Outboard Engine represents a significant advancement in marine propulsion technology, integrating innovative features designed for enhanced performance and efficiency. This 140 horsepower, four-stroke engine is engineered with a 2.0-liter inline four-cylinder configuration, providing a balance of power and fuel economy. One of its standout features is the incorporation of Suzuki's Precision Control system, which offers drive-by-wire technology for smoother and more responsive throttle and shift operations. The DF140BG is also equipped with Suzuki Lean Burn technology, optimizing the air-fuel mixture to improve fuel efficiency without compromising on performance.

The engine's electronic fuel injection system ensures reliable starts and consistent power output across various operating conditions. With a compact and lightweight design, the DF140BG is suitable for a wide range of boat types, providing versatility for different marine applications. Durability is enhanced through the use of high-quality materials and a robust construction approach, while the engine's offset driveshaft reduces vibrations for a quieter and more comfortable boating experience. Maintenance is simplified with features like the easy access oil filter and a streamlined cowling design. Additionally, the DF140BG supports NMEA 2000 connectivity, allowing integration with advanced marine electronics for comprehensive monitoring and control. In summary, the Suzuki DF140BG 2020 Outboard Engine combines cutting-edge technology with practical features to deliver reliable and efficient performance for boating enthusiasts.

Suzuki DF140BG 2020 Outboard Engine F.A.Q.

How do I perform the break-in procedure for the Suzuki DF140BG 2020 outboard engine?

To break in the Suzuki DF140BG engine, operate at varying speeds not exceeding 3,500 RPM for the first 10 hours. Gradually increase RPM while avoiding full throttle until the break-in period is complete.

What is the recommended oil type and capacity for the Suzuki DF140BG?

The recommended oil type for the Suzuki DF140BG is SAE 10W-40 4-stroke marine engine oil. The oil capacity is approximately 5.8 liters (6.1 US quarts) with an oil filter change.

How do I troubleshoot starting issues with the Suzuki DF140BG?

Check the battery connections and ensure the battery is fully charged. Verify that the fuel system is primed and that the emergency stop switch is properly engaged.

What maintenance tasks should be performed regularly on the Suzuki DF140BG?

Regular maintenance includes checking and replacing the engine oil and oil filter, inspecting the fuel system, checking the propeller for damage, and flushing the cooling system after each use in saltwater.

How can I improve fuel efficiency on my Suzuki DF140BG outboard engine?

Improve fuel efficiency by ensuring the engine is properly tuned, the hull is clean, and the propeller is in good condition. Operating at optimal cruising speed also helps to maximize fuel economy.

What is the correct procedure for winterizing the Suzuki DF140BG?

To winterize, stabilize the fuel, change the engine oil and filter, flush the cooling system, and lubricate all moving parts. Store the engine in an upright position to prevent water from accumulating.

How do I replace the water pump impeller on the Suzuki DF140BG?

To replace the impeller, remove the lower unit, take out the water pump housing, and replace the old impeller with a new one. Reassemble the housing and reinstall the lower unit.

What are common causes of overheating in the Suzuki DF140BG?

Common causes include a blocked water intake, a faulty thermostat, or an impeller that needs replacement. Inspect these components if overheating occurs.

How often should the spark plugs be replaced on the Suzuki DF140BG?

Spark plugs should be inspected and cleaned every 100 hours and replaced every 300 hours of operation or annually, whichever comes first.

What steps should I take if my Suzuki DF140BG is experiencing power loss?

Check the fuel filter and fuel lines for blockages, inspect the propeller for damage, and ensure the air intake is clear. Additionally, verify that the engine is not in limp mode due to a sensor issue.